For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningSeat Heating and Cooling
Specifications
Heated/Cooled Seat Schematics
Front Seat Heater Control Module Replacement
Preliminary Procedure
Driver or passenger seat replacement. Refer to Driver or Passenger Seat
Replacement.
Front Seat Heater Control Module Bolt (Qty: 2)
Caution: Refer to Fastener Cauti ...
Servicing the Airbag-Equipped Vehicle
Airbags affect how the vehicle should be serviced. There are parts of the airbag
system in several places around the vehicle. Your dealer and the service manual
have information about servicing the vehicle and the airbag system.
WARNING
For up to 10 seconds after the vehicle is turned off and ...
Installation Procedure
Apply structural adhesive on the flanges of the front side door inner
panel where the front side door outer panel bears on.
Align the front side door outer panel.
Verify the fit of the front side door outer panel.
Clamp the front side door outer panel into position.
Pre-f ...